The Sigma Protocol
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Author: Robert Ludlum.
- Publisher: St. Martin's Press
- Pages: 528
- Publication Date: 2001-10-30
- Edition: First Edition
- Binding: Hardcover
- MSRP: 27.95
- ISBN13: 9780312276881
- ISBN: 0312276885
- Other ISBN: 9781429906708
- Other ISBN Binding: print
- Language: en
- Store Location: Drama Hardback
- "Book cover image may be different than what appears on the actual book."
